{ "id": "1509.06435", "version": "v1", "published": "2015-09-22T00:53:38.000Z", "updated": "2015-09-22T00:53:38.000Z", "title": "Spectral analysis of stable processes on the positive half-line", "authors": [ "Alexey Kuznetsov", "Mateusz Kwasnicki" ], "comment": "30 pages", "categories": [ "math.PR", "math.FA", "math.SP" ], "abstract": "We study the spectral expansion of the semigroup of a general stable process killed on the first exit from the positive half-line. Starting with the Wiener-Hopf factorization we obtain the q-resolvent density for the killed process, from which we derive the spectral expansion of the semigroup via the inverse Laplace transform. The eigenfunctions and co-eigenfunctions are given rather explicitly in terms of the double sine function and they give rise to a pair of integral transforms which generalize the classical Fourier sine transform. Our results provide the first explicit example of a spectral expansion of the semigroup of a non-symmetric Levy process killed on the first exit form the positive half-line.", "revisions": [ { "version": "v1", "updated": "2015-09-22T00:53:38.000Z" } ], "analyses": { "subjects": [ "60G52", "60J35" ], "keywords": [ "positive half-line", "stable process", "spectral analysis", "spectral expansion", "inverse laplace transform" ], "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150906435K" } } }